Add half-page scrolling (C-u / C-d)

1 files changed, 18 insertions, 0 deletions

diff --git a/src/tabs.py b/src/tabs.py
index f9032b6e..55e3154c 100644
--- a/src/tabs.py
+++ b/src/tabs.py
@@ -324,6 +324,18 @@ class Tab(object):
         """
         pass
 
+    def on_half_scroll_down(self):
+        """
+        Defines what happens when we scroll half a screen down
+        """
+        pass
+
+    def on_half_scroll_up(self):
+        """
+        Defines what happens when we scroll half a screen up
+        """
+        pass
+
     def on_info_win_size_changed(self):
         """
         Called when the window with the informations is resized
@@ -529,6 +541,12 @@ class ChatTab(Tab):
     def on_scroll_down(self):
         self.text_win.scroll_down(self.text_win.height-1)
 
+    def on_half_scroll_up(self):
+        self.text_win.scroll_up((self.text_win.height-1) // 2)
+
+    def on_half_scroll_down(self):
+        self.text_win.scroll_down((self.text_win.height-1) // 2)
+
 
 class MucTab(ChatTab):
     """